Circumference and Area

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68 mm
• 18.84 mm
• 78.5 mm
• none of the above

Tags

CCSS.7.G.B.4

Find the arc length of the bolded arc in the picture.

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π cm
• 7/2π cm
• 1/5π cm
• 45π cm

Tags

CCSS.HSG.C.B.5

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40 ft
• 35 ft
• 55 ft
• 69 ft

Tags

CCSS.HSG.C.B.5

Find the area of the circle.

• 18.84 m²

• 113.1 m²

• 37.68 m²

• 452.16 m²

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52 in²

• 254.47 in²

• 1017.36 in²

• 113.04 in²

Tags

CCSS.7.G.B.4

The largest cookie ever baked had an area of 8,171 ft². Which of these is the closest to the radius of the cookie?

• 60 ft

• 51 ft

• 42 ft

• 102 ft

Tags

CCSS.7.G.B.4

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5